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https://issues.apache.org/jira/browse/TS-579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leif Hedstrom resolved TS-579.
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Resolution: Fixed
> Eliminate string copies in the SDK
> -----------------------------------
>
> Key: TS-579
> URL: https://issues.apache.org/jira/browse/TS-579
> Project: Traffic Server
> Issue Type: Bug
> Components: TSAPI
> Reporter: Leif Hedstrom
> Assignee: Leif Hedstrom
> Fix For: 2.1.5
>
> Attachments: TS-579.diff
>
>
> There are a small'ish number of APIs, that (for legacy reasons I believe)
> makes copies of the marshalled header strings, just to make them NULL
> terminated. None of these APIs claim to guarantee the strings to be NULL
> terminated, and all of our APIs pretty much says that you should never expect
> strings to be NULL terminated.
> Eliminating this string duplication will make the APIs easier to use (since
> now TSHandleStringRelease() is completely unecessary), and will also make
> plugins faster (no mallocs and frees for these strings).
> The APIs that are affected, only by contract (no API changes) are
> const char * TSUrlSchemeGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlUserGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlPasswordGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlHostGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlPathGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlHttpParamsGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlHttpQueryGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSUrlHttpFragmentGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSMimeHdrFieldNameGet(TSMBuffer bufp, TSMLoc hdr, TSMLoc field,
> int *length);
> const char *TSHttpHdrMethodGet(TSMBuffer bufp, TSMLoc obj, int *length);
> const char *TSHttpHdrReasonGet(TSMBuffer bufp, TSMLoc obj, int *length);
> TSReturnCode TSMimeHdrFieldValueStringGet(TSMBuffer bufp, TSMLoc hdr, TSMLoc
> field, int idx, const char **value_ptr, int *value_len_ptr);
> From now on, these will never be NULL terminated.
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